22124756856 has 32 divisors (see below), whose sum is σ = 56660965200. Its totient is φ = 7195042560.

The previous prime is 22124756839. The next prime is 22124756881. The reversal of 22124756856 is 65865742122.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11241271 + ... + 11243238.

Almost surely, 2^22124756856 is an apocalyptic number.

It is an amenable number.

22124756856 is an abundant number, since it is smaller than the sum of its proper divisors (34536208344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22124756856 is a wasteful number, since it uses less digits than its factorization.

22124756856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22484559 (or 22484555 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 48.

The spelling of 22124756856 in words is "twenty-two billion, one hundred twenty-four million, seven hundred fifty-six thousand, eight hundred fifty-six".